1. “Closed-Loop Transfer Recovery with Observer-Based Controllers - Part 1: Analysis,”;Chen,1991
2. B. M. Chen, A. Saberi and U. Ly, “Exact Computation of the Infimum in H∞-Optimization Via State Feedback,” Proceedings of The Twenty-Eighth Annual Allerton Conference, Monticello, Illinois, pp. 745–754(1990).
3. “Loop Transfer Recovery for Non-Strictly Proper Plants,”;Chen;Control-Theory and Advanced Technology,1990
4. B. M. Chen, A. Saberi and P. Sannuti, “Loop Transfer Recovery for General Nonminimum Phase Non-strictly Proper Systems, Part 1 — Analysis,” submitted for publication (1991).
5. B. M. Chen, A. Saberi and P. Sannuti, “Loop Transfer Recovery for General Nonminimum Phase Non-strictly Proper Systems, Part 2 — Design,” submitted for publication (1991).